Clean screen and move cursor

screenlib.asm

jmp lib_end
; #########################
cnsn:
 push AX
 push CX
 push DX
 push BX
        mov AH,6; clean screen
        mov AL,0
        mov CX,0
        mov DX,184FH
        mov BH,0
        INT 10h
 pop BX
 pop DX
 pop CX
 pop AX
ret

; #########################
mvcr: ; move to DH & DL row & col
 push AX
 push BX
        mov AH,2; move cursor to 0,0
        mov AL,0
        mov BH,0
;        mov DH,0
;        mov DL,0
        INT 10h
 pop BX
 pop AX
ret

lib_end:         

test_lib.asm

org 100h
use16

include 'dec_proc32.asm'
include 'lab4lib.asm'

mov dx, 7567
call wr_decimal

mov ah,0
int 16h

call cnsn

mov DH,0
mov Dl,0
call mvcr

mov ah,0
int 16h

INT 20h